51301425113603 has 4 divisors (see below), whose sum is σ = 58630200129840. Its totient is φ = 43972650097368.

The previous prime is 51301425113551. The next prime is 51301425113621. The reversal of 51301425113603 is 30631152410315.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51301425113603 - 2¹⁰ = 51301425112579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51301425143603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3664387508108 + ... + 3664387508121.

It is an arithmetic number, because the mean of its divisors is an integer number (14657550032460).

Almost surely, 2^{51301425113603} is an apocalyptic number.

51301425113603 is a deficient number, since it is larger than the sum of its proper divisors (7328775016237).

51301425113603 is an equidigital number, since it uses as much as digits as its factorization.

51301425113603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7328775016236.

The product of its (nonzero) digits is 32400, while the sum is 35.

Adding to 51301425113603 its reverse (30631152410315), we get a palindrome (81932577523918).

The spelling of 51301425113603 in words is "fifty-one trillion, three hundred one billion, four hundred twenty-five million, one hundred thirteen thousand, six hundred three".